US Patent 10552601 Deferred subscription activation using blockchain

Deferred subscription activation using blockchain is disclosed. A first plurality of blockchain blocks that contain authorized transactions that authorize corresponding activation request transactions associated with software instances of a plurality of software instances is received. A first grace period that differs from a current grace period based at least in part on at least one characteristic of the first plurality of blockchain blocks is determined. A request for activation associated with a first software instance is received. An execution timer for the first software instance is set to the first grace period to allow the first software instance to execute for at least the first grace period.